dmg pool operation stuck

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Allen #1472 Hi All: I installed DAOS from Scratch on ubuntu 20.04. When creating a pool after storage format, the create operation is stuck. The "dmg" terminal only printed this message: $ dmg -i storage format Format Summary: Hosts SCM Devices NVMe Devices ----- ----------- ------------ sw2 1 1 $ dmg -i storage scan Hosts SCM Total NVMe Total ----- --------- ---------- sw2 0 B (0 modules) 4.0 TB (1 controller) $ dmg -i storage query usage Hosts SCM-Total SCM-Free SCM-Used NVMe-Total NVMe-Free NVMe-Used ----- --------- -------- -------- ---------- --------- --------- sw2 0 B 0 B N/A 0 B 0 B N/A $ dmg -i storage query ERROR: dmg: Please specify one command of: device-health, list-devices, list-pools, target-health or usage $ dmg -i storage query list-devices Errors: Hosts Error ----- ----- sw2 DAOS I/O Engine instance not started or not responding on dRPC ERROR: dmg: 1 host had errors $ dmg -i storage query list-pools Errors: Hosts Error ----- ----- sw2 DAOS I/O Engine instance not started or not responding on dRPC ERROR: dmg: 1 host had errors $ dmg -i pool create -z 10GB Creating DAOS pool with automatic storage allocation: 10 GB NVMe + 6.00% SCM ERROR: dmg: context deadline exceeded And the "server" and "engine" did not print any messages, even though I set their log masks to debug. I am new to daos. Please help me, thanks. daos_admin.log daos_engine.0.log daos_server.log daos_server.yml
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